Duplex Steel UNS S31803 Seamless Tubes
Piyush Steel is a dynamic group of professionals who are working to fulfill the requirements
of industrial tubing products. As a leading manufacturer of seamless tubes, we deal in all SS
grade products including
Duplex Steel UNS S31803 Seamless Tubes. We are governed by a team of
diligent and energetic professionals. Our employees include technical experts, engineers, and
hard working operators. They execute their respective tasks dedicatedly and provide valuable
services to our customers. Their continuous efforts are dedicated towards smooth execution of
the manufacturing process and manufacture products in strict accordance with global standards.
These tubes are highly appreciated for its workability in terms of adverse environments. Thus,
we are stocking them in various standards, designations, specifications, custom dimensions,
and non-standard dimensions. We also offer these in different treated surface and allowances
for different types of applications.
Duplex Steel UNS S31803 Seamless Tubes description :
These tubes have high strength and extensively used in the critical and demanding
applications. The aging of tubes is done about 475 deg C for a long exposure. The heat
treatment operations improve mechanical properties. Duplex grade has both ferritic and
austenitic structures. UNS S31803 tubes are based on nickel and chromium content. These tubes
are suitable for the applications where higher mechanical toughness is required and corrosion
is a concern. These tubes particularly applied where the high levels of chlorides, carbon
dioxide, and hydrogen is present. These tubes are offered in both solutions treated and
finished conditions. Duplex Steel UNS S31803 Seamless Tubes are best for critical and adverse
environments applications. It has very high pitting and crevice corrosion resistance. This
property is increased by the addition of alloying elements. Duplex grade has great
malleability, plasticity, ductility, and good impact strength. These tubes offer good
performance in both moderate and high temperatures.
Duplex S31803 Seamless Tubes
Duplex S31803 Seamless Tube
UNS S31803 Seamless Tube
DIN 1.4462 Seamless Tube
Superiority of products
:
Here at Piyush steel we continuously improve the effectiveness of the overall quality. We also
set the quality goals and plans to drive off the flawless production of products. Furthermore,
we are committed to upgrading capabilities of technical availability and working staff by
regular training sessions of quality. The products are here tested in according to
internationally approved standards or more stringent tests operations are developed
considering the harsh applications.
We follow given tests on Duplex Steel UNS S31803 Seamless Tubes-
• Thermal stability test
• Mechanical test
• Compression test
• Hardness test
• Leakage test
• Radiographic test
• Positive material test
Other tests-
• Chemical test
• Destructive/non-destructive test
• Intergranular corrosion test (IGC)
• Ultrasonic test
• Pitting corrosion test
Documentations / reports
:
• Commercial invoice
• Fumigation certificates
• Packing list
• MTC report
• Certificate origin by the embassy
• Raw material test report
• Mill test report
• Quality assurance plan (QAP)
• Heat treatment charts
We deliver Duplex Steel UNS S31803 Seamless Tubes in the prominent packaging of wooden cases,
cartons, pallets, plywood boxes and form of bundles. These are individually wrapped in a
plastic covering to prevent rusting while exporting.
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
STANDARD | WERKSTOFF NR. | UNS |
Duplex Steel | 1.4462 | S31803 |
Duplex Steel S31803 Seamless Tube | ASTM A789 Duplex S31803 Seamless Tube |
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Nippon Steel Make S31803 Seamless Tubes
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Piyush Steel has been a prominent player in the tubular metal products industry since 1983. The largest manufacturer, supplier, exporter, and stockist of stainless steel seamless pipes and tubes is in Mumbai, India.
Office No. 9 & 10, 1st Floor, Krishvi Apartment, Khambatta Lane, Khetwadi, Mumbai - 400 004 (India).
Email : [email protected]
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